Morphology and Growth Behavior of Si Phases in an Al-Si Piston Alloy Under Ultrasonic Vibration. - Duan, Hongbo; Dong, Xiongbo; Ma, Zhijun; Guo, Songsong; Xia, Feng; Yang, Zhong (JOM: The Journal of The Minerals, Metals & Materials Society (TMS), 2025)